Car comparison

Porsche 911 Targa (991) 4S 3.8vsPorsche 911 (992) Carrera 3.0

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

Porsche 911 Targa (991)

4S 3.8

400 hp3800 ccGasolineAWDManualNaturally aspirated2014-2015
VS

Porsche 911 (992)

Carrera 3.0

385 hp2981 ccGasolineRWDDual-clutchTwin-turboCoupe2019-2024

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Best choices

Porsche 911 (992) Carrera 3.0

  • Quickest 0-100 km/h
    4.2 s
  • Highest torque
    450 Nm
    332 lb-ft
  • Lightest
    1,505 kg
    3,318 lb
  • Lowest combined fuel consumption
    9.0 L/100 km
    26.1 mpg US
    31.4 mpg UK
  • Lowest city consumption
    11.2 L/100 km
    21.0 mpg US
    25.2 mpg UK
  • Lowest CO2 emissions
    206 g/km
  • Best estimated range
    711 km
    442 mi
  • Best performance score
    78/100
  • Best economy score
    83/100

Porsche 911 Targa (991) 4S 3.8

  • Fastest top speed
    296 km/h
    184 mph
  • Most powerful
    400 hp
    298 kW
  • Best power-to-weight
    257 hp/t
    192 kW/t
    3.9 kg/hp
  • Lowest highway consumption
    7.7 L/100 km
    30.5 mpg US
    36.7 mpg UK
  • Largest trunk
    285 L
  • Best overall score
    69/100
  • Best practicality score
    51/100

Specification comparison

Specification comparison
ModelPorsche911 Targa (991)4S 3.8Porsche911 (992)Carrera 3.0
Power
400hp298kW
385hp287kW
Torque
440Nm325lb-ft
450Nm332lb-ft
Curb weight
1,555kg3,428lb
1,505kg3,318lb
Gross weight
1,960kg4,321lb
1,960kg4,321lb
Top speed
296 km/h
184 mph
293 km/h
182 mph
To 99% top speed
65.0s99% target: 293 km/h / 182 mph
Calculated
58.6s99% target: 290 km/h / 180 mph
Calculated
0-100 km/h
4.8s
4.2s
0-200 km/h
14.2s
Calculated
12.8s
Calculated
0-60 mph
4.6s
Calculated
4.0s
Calculated
Fuel consumption
10L/100 km23.5mpg US28.2mpg UK
9L/100 km26.1mpg US31.4mpg UK
Fuel consumption city
13.9L/100 km16.9mpg US20.3mpg UK
11.2L/100 km21mpg US25.2mpg UK
Fuel consumption highway
7.7L/100 km30.5mpg US36.7mpg UK
7.7L/100 km30.5mpg US36.7mpg UK
Quarter mile
12.7s
Calculated
12.1s
Calculated
Power-to-weight
257hp/t192kW/t117hp/1000 lb
Calculated
256hp/t191kW/t116hp/1000 lb
Calculated
Torque-to-weight
283Nm/t189lb-ft/ton
Calculated
299Nm/t200lb-ft/ton
Calculated
Estimated range
680km423mi
Calculated
711km442mi
Calculated
Displacement
3,800cc232cu in
2,981cc182cu in
Length
4,491mm177in
4,519mm178in
Width
1,852mm73in
1,852mm73in
Height
1,291mm51in
1,298mm51in
Wheelbase
2,450mm96in
2,450mm96in
Front track
1,538mm61in
1,591mm63in
Rear track
1,552mm61in
1,557mm61in
Trunk volume
285L
-
Max trunk volume-
132L
Doors
2
2
Seats
4
4
Fuel tank
68L
64L
CO2 emissions
237g/km
206g/km

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

Porsche 911 Targa (991) 4S 3.8Porsche 911 (992) Carrera 3.0PowerTorque
  • Porsche 911 Targa (991) 4S 3.8: Power / Torque
  • Porsche 911 (992) Carrera 3.0: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
Porsche911 Targa (991)4S 3.87,400 rpm5,600 rpm7,650 rpm
Porsche911 (992)Carrera 3.06,500 rpm1,950-5,000 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricPorsche911 Targa (991)4S 3.8Porsche911 (992)Carrera 3.0
Acceleration checkpoints
0-60 mph
0-97 km/h
4.6 s
4.0 s
0-100 km/h
0-62 mph
4.8 s
4.2 s
0-200 km/h
0-124 mph
14.2 s
12.8 s
Top speed
296 km/h
184 mph
293 km/h
182 mph
Drag race simulation
60 ft
18 m
2.2 s
2.1 s
330 ft
101 m
5.7 s
5.4 s
1/8 mile
201 m
8.4 s
8.0 s
1000 ft
305 m
10.8 s
10.2 s
1/4 mile
402 m
12.7 s
12.1 s
Trap speed
1/4 mile
402 m
189 km/h
117 mph
195 km/h
121 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
VehicleValue
Porsche911 Targa (991)4S 3.8
400 hp
298 kW
Porsche911 (992)Carrera 3.0
385 hp
287 kW

Porsche 911 Targa (991) 4S 3.8 has 15 hp more than Porsche 911 (992) Carrera 3.0.

The biggest power difference is between Porsche 911 (992) Carrera 3.0 and Porsche 911 Targa (991) 4S 3.8: 15 hp (11 kW).

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
VehicleValue
Porsche911 Targa (991)4S 3.8
440 Nm
325 lb-ft
Porsche911 (992)Carrera 3.0
450 Nm
332 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
Porsche911 Targa (991)4S 3.8
1,555 kg
3,428 lb
Porsche911 (992)Carrera 3.0
1,505 kg
3,318 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
Porsche911 Targa (991)4S 3.8
296 km/h
184 mph
Porsche911 (992)Carrera 3.0
293 km/h
182 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
Porsche911 Targa (991)4S 3.84.8 s
Porsche911 (992)Carrera 3.04.2 s

Although Porsche 911 Targa (991) 4S 3.8 has more power, Porsche 911 (992) Carrera 3.0 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Porsche 911 (992) Carrera 3.0 and Porsche 911 Targa (991) 4S 3.8: 0.6 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
Porsche911 Targa (991)4S 3.8
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
Porsche911 (992)Carrera 3.0
9.0 L/100 km
26.1 mpg US
31.4 mpg UK

The biggest fuel consumption difference is between Porsche 911 (992) Carrera 3.0 and Porsche 911 Targa (991) 4S 3.8: 1.0 L/100 km.

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
Porsche911 Targa (991)4S 3.8
257 hp/t
192 kW/t
3.9 kg/hp
Porsche911 (992)Carrera 3.0
256 hp/t
191 kW/t
3.9 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
Porsche911 Targa (991)4S 3.8
680 km
423 mi
Porsche911 (992)Carrera 3.0
711 km
442 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
Porsche911 Targa (991)4S 3.8
400 hp
298 kW
4.8 s
296 km/h
184 mph
Porsche911 (992)Carrera 3.0
385 hp
287 kW
4.2 s
293 km/h
182 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Chart data table
VehiclePerformance scorePracticality score
Porsche911 Targa (991)4S 3.8
Power
400 hp
298 kW
0-100 km/h4.8 s
Top speed
296 km/h
184 mph
Doors/seats
2 doors
4 seats
Trunk
285 L
10.1 cu ft
Length
4,491 mm
176.8 in
Height
1,291 mm
50.8 in
Porsche911 (992)Carrera 3.0
Power
385 hp
287 kW
0-100 km/h4.2 s
Top speed
293 km/h
182 mph
Doors/seats
2 doors
4 seats
Trunk
132 L
4.7 cu ft
Length
4,519 mm
177.9 in
Height
1,298 mm
51.1 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
Porsche911 Targa (991)4S 3.8
Power
400 hp
298 kW
0-100 km/h4.8 s
Top speed
296 km/h
184 mph
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
Porsche911 (992)Carrera 3.0
Power
385 hp
287 kW
0-100 km/h4.2 s
Top speed
293 km/h
182 mph
9.0 L/100 km
26.1 mpg US
31.4 mpg UK

Porsche 911 (992) Carrera 3.0 is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
Porsche911 Targa (991)4S 3.8
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
4.8 s
Porsche911 (992)Carrera 3.0
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
4.2 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
Porsche911 Targa (991)4S 3.8
257 hp/t
192 kW/t
3.9 kg/hp
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
Porsche911 (992)Carrera 3.0
256 hp/t
191 kW/t
3.9 kg/hp
9.0 L/100 km
26.1 mpg US
31.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehiclePorsche911 Targa (991)4S 3.8Porsche911 (992)Carrera 3.0
Power
400 hp
298 kW
385 hp
287 kW
Torque
440 Nm
325 lb-ft
450 Nm
332 lb-ft
Acceleration
4.8 s
4.2 s
Top speed
296 km/h
184 mph
293 km/h
182 mph
Lightness
1,555 kg
3,428 lb
1,505 kg
3,318 lb
Fuel consumption
10.0 L/100 km
23.5 mpg US
28.2 mpg UK
9.0 L/100 km
26.1 mpg US
31.4 mpg UK
Practicality
Doors/seats
2 doors
4 seats
Trunk
285 L
10.1 cu ft
Length
4,491 mm
176.8 in
Height
1,291 mm
50.8 in
Doors/seats
2 doors
4 seats
Trunk
132 L
4.7 cu ft
Length
4,519 mm
177.9 in
Height
1,298 mm
51.1 in
Range score
680 km
423 mi
711 km
442 mi
CO2 score
237 g/km
206 g/km
Trunk score
285 L
10.1 cu ft
132 L
4.7 cu ft
Power-to-weight score
257 hp/t
192 kW/t
3.9 kg/hp
256 hp/t
191 kW/t
3.9 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
VehiclePorsche 911 Targa (991) 4S 3.8Porsche 911 (992) Carrera 3.0
Consumption10 L/100 km23.5 mpg US28.2 mpg UK9 L/100 km26.1 mpg US31.4 mpg UK
Cost / 100 km17.50 LC100 km15.75 LC100 km
Cost / 100 mi28.16 LC100 mi25.35 LC100 mi
Annual fuel used1,500 L396 US gal330 UK gal1,350 L357 US gal297 UK gal
Annual fuel cost2,625 LC/year2,363 LC/year

Head-to-head comparisons

Porsche 911 Targa (991) 4S 3.8

  • Has 15 hp more
  • Has 3 km/h (2 mph) higher top speed
  • Has 1 hp/t better power-to-weight
  • Has 153 L more trunk volume

Pros

  • Highest top speed
  • Most powerful
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Highest CO2 emissions

Porsche 911 (992) Carrera 3.0

  • Has 10 Nm more
  • Is 50 kg lighter
  • Is 0.6 s quicker from 0-100 km/h
  • Uses 1.0 L/100 km less fuel
  • Has 31 km (19 mi) more estimated range
  • Emits 31 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Lowest power
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
Porsche 911 Targa (991) 4S 3.8
Porsche 911 (992) Carrera 3.0
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